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Problem
Problem
Find the lengths of tangent, subtangent, Normal and subnormal to
y
2
=
4
a
x
y^2 = 4ax
y
2
=
4
a
x
at
(
a
t
2
,
2
a
t
)
(at^2, 2at)
(
a
t
2
,
2
a
t
)
.
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